10x+15=12x-30

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Solution for 10x+15=12x-30 equation:


Simplifying
10x + 15 = 12x + -30

Reorder the terms:
15 + 10x = 12x + -30

Reorder the terms:
15 + 10x = -30 + 12x

Solving
15 + 10x = -30 + 12x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-12x' to each side of the equation.
15 + 10x + -12x = -30 + 12x + -12x

Combine like terms: 10x + -12x = -2x
15 + -2x = -30 + 12x + -12x

Combine like terms: 12x + -12x = 0
15 + -2x = -30 + 0
15 + -2x = -30

Add '-15' to each side of the equation.
15 + -15 + -2x = -30 + -15

Combine like terms: 15 + -15 = 0
0 + -2x = -30 + -15
-2x = -30 + -15

Combine like terms: -30 + -15 = -45
-2x = -45

Divide each side by '-2'.
x = 22.5

Simplifying
x = 22.5

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